Home / 27,391.02-37,798.74-15,454.20

Finding the Fourth Proportional to 27,391.02, 37,798.74 and 15,454.20

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Solution

The fourth proportional to 27,391.02, 37,798.74 and 15,454.20 is: 21,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.02 : 37,798.74 = 15,454.20 : x
  2. Step 2: Convert to fraction form
    27,391.02/37,798.74 = 15,454.20/x
  3. Step 3: Cross multiply
    27,391.02x = 37,798.74 × 15,454.20
  4. Step 4: Simplify right side
    27,391.02x = 584,149,287.71
  5. Step 5: Solve for x
    x = 584,149,287.71/27,391.02
  6. Step 6: Final answer
    x = 21,326.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.